dye|World dye variety

Name:C.I.Acid Orange 25,C.I.20160

Molecular Structure: Double azo class

C.I.Acid Orange 25,C.I.20160,CAS 5850-13-5,420.38,C18H13N4NaO5S,Siponal Brown B

Molecular Formula:C₁₈H₁₃N₄NaO₅S

Molecular Weight: 420.38

CAS Registry Number:5850-13-5

Manufacturing Methods :  4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol, its product again with diazo of aniline coupling.

Properties and Applications: orange to red light orange. Used for wool, silk fiber dyeing etc, also used in leather dyeing.

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Siponal Brown B( SIPO Srl )